diff --git a/ChangeLog b/ChangeLog
index ac145f089d..5d0da3e420 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -158,8 +158,8 @@ Wed Jul 31 14:38:52 2013  Akinori MUSHA  <knu@iDaemons.org>
 
 Wed Jul 31 14:38:10 2013  Akinori MUSHA  <knu@iDaemons.org>
 
-	* lib/set.rb: [DOC] Use the term "sorted" instead "ordered" when
-	  mentioning SortSet.
+	* lib/set.rb: [DOC] Use the term "sorted" instead of "ordered"
+	  when mentioning SortSet.
 
 Wed Jul 31 12:18:47 2013  Tanaka Akira  <akr@fsij.org>